.course-section {
    padding: 30px;
    color: #333;
    height: 220px;
    
    // box-sizing: border-box;
    .course-title {
        font-size: 18px;
        border-left: 8px solid #3FA9F5;
        padding-left: 10px;
    }
    .course-info {
        padding-left: 18px;
        font-size: 12px;
        color: #999;
    }
    .plan-box {
        margin-top: 10px;
        height: 74px;
        border: 1px solid #CCCCCC;
        background: #fff;
        display: flex;
        padding: 12px 0;
        .plan-left {
            width: 110px;
            text-align: center;
            color: #F15A24;
            line-height: 50px;
            font-size: 18px;
        }
        .plan-right {
            flex: 1;
            color: #807D79;
            padding: 10px 0 0 20px;
            border-left: 1px solid #E0E0E0;
        }
    }
    .course-opt {
        font-size: 10px;
        margin-top: 15px;
        .course-opt-left {
            float: left;
            margin-right: 25px;
        }
        .course-opt-right {
            float: right;
        }
    }

}